The refresh-vector CRT uses which of the following techniques?
A. The beam constantly travels across the screen to turn on/off a series of pixels.
B. Makes changes on the image by increasing the anode voltage.
C. Uses an electron gun to continuously flood the surface of the tube.
D. Creates images on the screen by scanning straight-line vectors between selected points.
E. None of the above
Answer: Option D
This Question Belongs to Computer Science >> Automation System
A. defines the form of the instruction
B. is always machine dependent
C. is never machine dependent
D. All of the above
E. None of the above
Which of the following symbol modes are used to input of graphics to General CAD system?
A. Live and Rectangle mode
B. Arc and Circle mode
C. Dimension and Alphanumeric mode
D. All of the above
E. None of the above
A. Solid modeling
B. Wire-frame modeling
C. Surface modeling
D. FEM (Finite Element Modeling)
E. None of the above
A. should be built in a modular fashion wherever possible
B. are very difficult to change
C. are very flexible
D. (a) and (c) above
E. None of the above
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